# eval
n1 = eval("0o123")
n2 = eval("0b010")
n3 = eval("0x7a")
print(f"{n1 = }, {n2 = }, {n3 = }")
r = eval("1+2-3/5*4")
print(f"{r = }")

# exec
exec("a=666")
print(f"{a = }")
